The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-658-5601, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 25 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-658-5601 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Shank Diameter | 0.500 INCHES NOMINAL IN |
| Undercut Width | 0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| First End Taper Length | 0.062 INCHES NOMINAL IN |
| Undercut Diameter | 0.385 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| First End Location | THREADED END |
| Second End Taper Angle | 45.0 DEGREES NOMINAL |
| Hole Arrangement Style | BOTH END DRILLED |
| Thread Length | 0.982 INCHES MINIMUM AND 1.162 INCHES MAXIMUM IN |
| First End Style | CHAMFERED |
| First Hole Diameter | 0.250 INCHES NOMINAL IN |
| Shank Length | 1.0620 INCHES NOMINAL IN |
| Style Designator | UNDERCUT |
| Material Document and Classification | MIL-STD-130: 80064-2600213 MIL STD SINGLE MATERIAL RESPONSE OVERALL |
| Second End Taper Length | 0.062 INCHES NOMINAL IN |
| Second End Relationship with First End | NOT IDENTICAL |
| Second Hole Diameter | 0.250 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Shoulder Diameter | 0.6228 INCHES MINIMUM AND 0.6238 INCHES MAXIMUM IN |
| Second End Style | CHAMFERED |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| Material | STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Distance From Centerline of Hole to End of Pin | 0.375 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2600213 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5315-01-658-5601 is a Pin,shoulder,headless, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
Key specifications for 5315-01-658-5601: Shank Diameter: 0.500 INCHES NOMINAL IN; Undercut Width: 0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN; First End Taper Length: 0.062 INCHES NOMINAL IN; Undercut Diameter: 0.385 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN. 25 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.